Dr Rajasankar J

Dr Rajasankar J

Chief Scientist

CSIR-SERC
  • CSIR-SERC , Taramani, Chennai – 600 113.
  • sankar(at)serc(dot)res(dot)in
  • +91-44-22549208

Academic Background

  • PhD, IIT Madras, 2011, Thesis Title: A Damage Mechanics Based Formulation for Nonlinear Analysis of Reinforced Concrete Frames
  • M.Tech. (Structural Engineering), IIT Kanpur, 1989
  • B.E. (Civil Engineering), Government College of Technology, Bharathiar University, Coimbatore, 1986

Professional Background

  • Chief Scientist, CSIR-Structural Engineering Research Centre, Chennai, January 2012-till date
  • Senior Principal Scientist, CSIR-Structural Engineering Research Centre, Chennai, January 2007-January 2012
  • Principal Scientist, CSIR-Structural Engineering Research Centre, Chennai, January 2002-January 2007
  • Senior Scientist, CSIR-Structural Engineering Research Centre, Chennai, January 1997-January 2002
  • Scientist, CSIR-Structural Engineering Research Centre, Chennai, January 1992-January 1997
  • Junior Scientist, CSIR-Structural Engineering Research Centre, Chennai, January 1989-January 1992

Areas of Scientific Interest

  • Computational structural mechanics
  • Response of shock loaded structures
  • Continuum damage mechanics
  • Multi-domain interaction problems

Awards & Honours

  • John C. Gammon prize 2016 at the 31st Indian Engineering Congress
  • Top 25 publications in Soil Dynamics and Earthquake Engineering, April-June 2010
  • Dr. M. Ramaiah’s best paper awards and Certificates of Merit for the papers published by the scientists of CSIR-SERC. (Number of occasions)
  • Raman Research Fellowship for the year 2008-09
  • Certificate of appreciation and a shield in 2000 for the significant scientific contribution in CSIR Technology Prize to CSIR-SERC
  • German Academic Exchange Service (DAAD) Fellowship, 1995-96
  • Gold medal for best paper, 1994-95, Instn. of Engineers (I).

Publications

SCI Publications in the last 5 years

  • “Impedance matching for dynamic substructuring”, Mohit Verma, M.V. Sivaselvan and J. Rajasankar, Structural Control and Health Monitoring, Vol. 26, No.11, 2019, pp. 1-16 (IF=3.74)
  • “Behaviour of steel-concrete-steel sandwich composite beams with lacing subjected to reversed cyclic loads”, N. Anandavalli, N. Lakshmanan, J. Rajasankar and G.M. Samuel Knight, Journal of Sandwich Structures and Materials, Vol. 21, No. 6, 2019, pp. 1799-1819 (IF=5.015)
  • “Mesoscale studies on the effect of aggregate shape idealisation in concrete”, A. Thirumalaiselvi, N. Anandavalli and J. Rajasankar, Magazine of Concrete Research, Vol. 71, No. 5, 2019, pp. 244-259 (IF=1.488)
  • “Response prediction of laced steel-concrete composite beams using machine learning algorithms”, A. Thirumalaiselvi, Mohit Verma, N. Anandavalli and J. Rajasankar, Structural Engineering and Mechanics: An International Journal, Vol. 66, No. 6, 2018 pp. 309-409 (IF=1.118)
  • “A mathematical formulation to find effective bulk and shear moduli of recycled aggregate concrete”, Achyut Dhar, J. Rajasankar and N. Anandavalli, Construction and Building Materials, Vol. 168, 2018, pp. 747-757 (IF=3.169)
  • “Mechanics based analytical approaches to predict nonlinear behaviour of LSCC beams”, A. Thirumalaiselvi, N. Anandavalli and J. Rajasankar, Structural Engineering and Mechanics: An International Journal, Vol. 64, No. 3, 2017, pp. 311-321 (IF=1.118)
  • “Numerical and theoretical modelling of low velocity impact on UHPC panels”, Prabhat Ranjan Prem, Mohit Verma, A. Ramachandra Murthy, J. Rajasankar and B.H. Bharatkumar, Structural Engineering and Mechanics – An International Journal, Vol. 63, No. 2, 2017, pp. 207-215 (IF=1.021)
  • “A thermodynamical approach towards group multi-criteria decision making (GMCDM) and its application to human resource selection”, Mohit Verma and J. Rajasankar, Applied Soft Computing, Vol. 52, 2017, pp. 323-332 (IF=2.857)
  • “Kernel-based models for prediction of compressive strength of cement”, Mohit Verma, A. Thirumalaiselvi and J. Rajasankar, Neural Computing and Applications, Vol. 28, No. 1, 2017, pp. 1083-1100 (IF=1.492)
  • “Shear capacity of doubly skinned composite beams with lacings”, N. Anandavalli, N. Lakshmanan, J. Rajasankar and G.M. Samuel Knight, Journal of Structural Engineering, ASCE, Vol. 142, No. 12, 2016 (IF=1.50)
  • “Does orientation of raft helps in augmenting yield during lean period?: A case study of Gracilaria edulis cultivation in open sea by vertical raft alignment along the south-eastern coast of India”, K.S. Ashok, P. Harikrishna, M. Gobala Krishnan, K.R. Saminathan, N. Monisha, J. Malarvizhi, V. Veeragurunathan, Vaibhav A. Mantri and J. Rajasankar, Aquacultural Engineering, Vol. 74, 2016, pp. 186-197 (IF=1.381)
  • “Numerical evaluation of deformation capacity of Laced Steel-Concrete Composite beams under monotonic loading”, A. Thirumalaiselvi, N. Anandavalli, J. Rajasankar and Nagesh R. Iyer, Steel and Composite Structures, An International Journal, Vol. 20, No. 1, 2016, pp. 167-184 (IF=0.964)
  • “On low-energy impact response of ultra-high performance concrete (UHPC) panels”, Mohit Verma, Prabhat Ranjan Prem, J. Rajasankar and B.H. Bharatkumar, Materials and Design, Vol. 92, 2016, pp. 853-865 (IF=3.501)

Patents / Copyrights

  • Indian Patent on “Laced Composite System” application number 1886DEL2011 dated 05.07.2011, Authors: Anandavalli Narayanan, Narayanan Lakshmanan, Nagesh Ranganatha Iyer, Jayachandran Rajasankar and Amar Prakash
  • US patent on “Laced Composite System” patent No. US2014134395 (A1) dated 15.05.2014, Authors: Anandavalli Narayanan, Narayanan Lakshmanan, Nagesh Ranganatha Iyer, Jayachandran Rajasankar and Amar Prakash
  • Indian patent on “An Apparatus and Method for Production of Precast Textile Reinforced Concrete Crash Barriers” Application no. 201811001406 dated 12.01.2018, Authors: Smitha Gopinath, Amar Prakash, A.K. Farvaze Ahmed and J. Rajasankar